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KVM虚拟化环境
1、装系统时手动选择安装 2、CentOS 7 最小化安装
yum install qemu-kvm qemu-img libvirt -y
yum install virt-install libvirt-python virt-manager python-virtinst libvirt-client -y安装好CentOS 7后#xff0c;去设置里面点击处理器#x…环境部署
KVM虚拟化环境
1、装系统时手动选择安装 2、CentOS 7 最小化安装
yum install qemu-kvm qemu-img libvirt -y
yum install virt-install libvirt-python virt-manager python-virtinst libvirt-client -y安装好CentOS 7后去设置里面点击处理器将右边虚拟化引擎勾上
添加一块硬盘 分区并格式化
Command (m for help): n
Partition type:p primary (0 primary, 0 extended, 4 free)e extended
Select (default p): e
Partition number (1-4, default 1):
First sector (2048-209715199, default 2048):
Using default value 2048
Last sector, sectors or size{K,M,G} (2048-209715199, default 209715199): 100G
Value out of range.
Last sector, sectors or size{K,M,G} (2048-209715199, default 209715199):
Using default value 209715199
Partition 1 of type Extended and of size 100 GiB is set[rootkvm ~]# lsblk /dev/sdb
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sdb 8:16 0 100G 0 disk
└─sdb1 8:17 0 1K 0 part [rootkvm ~]# mkfs.xfs /dev/sdb1
[rootkvm ~]# blkid
/dev/sdb1: UUID1f183fa3-b579-44de-b14f-9eb1b911914a TYPExfs#挂载
[rootkvm ~]# mkdir /vms
[rootkvm ~]# echo UUID1f183fa3-b579-44de-b14f-9eb1b911914a /vms xfs defaults 0 0 /etc/fstab
[rootkvm ~]# mount -a
[rootkvm ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sdb1 100G 33M 100G 1% /vms#镜像
[rootkvm iso]# ll
total 996352
-rw-r--r--. 1 root root 1020264448 Jul 2 16:48 CentOS-7-x86_64-Minimal-2009.iso
Command (m for help): w
1.确定机器有VT终端输入命令[rootlocalhost ~]# egrep vmx|svm /proc/cpuinfo如果flags: 里有vmx 或者svm就说明支持VT 如果没有任何的输出说明你的cpu不支持将无法使用KVM虚拟机
2.确保BIOS里开启VT:Intel(R) Virtualization-Tech-[Enabled]使用如下命令[rootlocalhost ~]# lsmod | grep kvm kvm_intel 188740 0 kvm 637289 1 kvm_intel[rootlocalhost ~]# modprobe kvm_intel使用 virt-manager 工具
创建虚拟机本例使用iso镜像
[rootkvm ~]# virt-manager选择镜像路径
virsh-install命令行安装
[rootkvm ~]# yum install qemu-kvm qemu-img libvirt
[rootkvm ~]# yum install virt-install libvirt-python virt-manager python-virtinst libvirt-client virt-viewer
[rootkvm ~]# virt-install --namecentosvm02 --graphics vnc,listen0.0.0.0,port5910,keymapen_us --ram2048 --vcpus2 --disk path/vms/vm02.img,size10,formatqcow2 --bridgevirbr0 --cdrom/iso/CentOS-7-x86_64-Minimal-2009.isovirsh命令常用参数总结
